Add configs to build sphinx docs on rtd for roctracer

[samjwu]

Use rocm-docs-core template for documentation

Rationale:

• https://github.com/RadeonOpenCompute/rocm-docs-core#purpose

[samjwu]

Preview: https://advanced-micro-devices-roctracer--84.com.readthedocs.build/en/84/

api ref disabled due to doxysphinx error